Concave Margin Sign on Doppler Ultrasound

• Rémy Hamdan,
• Mélanie Leboffe

Affiliations

Rémy Hamdan

Corresponding author. Explorations fonctionnelles de Médecine Vasculaire, Centre Hospitalier de Mâcon - 350, Boulevard Louis Escande, 71000 Mâcon, France.; Department of Vascular Medicine, Macon Hospital Centre, Mâcon, France

Mélanie Leboffe

Department of Vascular Surgery, Macon Hospital Centre, Mâcon, France